<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>盒子</title>
		<style type="text/css">
		.class1
		{
			border:1px solid black;
			background-color: antiquewhite;
			padding-left: 200px;
			/* background-clip: padding-box; 内边距*/
			margin-top: 6.25rem;
			/* margin-left: 20px;  外边距 */
		}
		</style>
	</head>
	<body>
		<div class="class1">ssss</div>
	</body>
</html>
